Adenomyoma of the Common Hepatic Duct Mimicking Bile Duct Cancer: Report of a Case |
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Authors: | Seikan Hai Satoshi Yamamoto Hiromu Tanaka Shigekazu Takemura Tsuyoshi Ichikawa Shintaro Kodai Hiroji Shinkawa Takatsugu Yamamoto Shoji Kubo |
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Institution: | (1) Department of Hepato-Biliary-Pancreatic Surgery, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka 545-8585, Japan;(2) Department of Surgery, Ishikiriseiki Hospital, Yayoi-cho, Higashiosaka 579-8026, Japan |
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Abstract: | We report an unusual case of adenomyoma of the common hepatic duct mimicking bile duct cancer. A 50-year-old woman was referred
to our hospital for the investigation of general fatigue. Laboratory data showed abnormal liver test results and computed
tomography showed a mass lesion in the hepatic hilum and dilatation of the intrahepatic bile ducts. These findings led to
a preoperative diagnosis of hilar bile duct carcinoma, and we performed a left lobectomy with resection of the extrahepatic
bile duct. Macroscopically, an elevated lesion was found in the common hepatic duct, which was confirmed histologically to
be an adenomyoma. Bile duct strictures are rarely caused by benign tumors of the biliary tract, such as adenomyoma. Surgical
resection of the bile duct should be considered for all bile duct strictures because it is often difficult to differentiate
malignant from benign lesions in this location preoperatively, and malignant cells may be present in the lesion. |
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Keywords: | Adenomyoma Bile duct stricture Bile duct cancer |
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